List of top Questions asked in KEAM- 2024

Gatterman reaction is used to convert benzene diazonium chloride to
In a ‘tug of war’ game, two persons pull each other through a massless rope. The person who wins is

A man loses 50% of his velocity after running a distance of 100 m. If his retardation is uniform, the distance he will cover before coming to rest is

When a spring of spring constant $k$ is cut into two pieces whose lengths are $l_1$ and $l_2$, then the ratio of their spring constants $k_1$ and $k_2$ is
Animal starch is
In bringing a proton towards another proton, the electrostatic potential energy of the system
The correct electronic configuration of Uranium (Z=92) is
In the measurement of length 6 $\mu$m is equal to $x$ pm. Then the value of $x$ is
Dimensions of the physical quantity $X$ in the equation \[ {Force} = \frac{X}{{Volume}} \] are
A projectile is given an initial velocity of $(\hat{i} + \hat{j})$ m/s, where $\hat{i}$ is along the ground and $\hat{j}$ is along the vertical direction. The equation of its trajectory is $(g = 10 \, \text{m/s}^2)$.
Kirchhoff’s junction rule is based on conservation of
0.1 M HCl and 0.1 M H2SO4 each of volume 2 mL are mixed and the volume is made up to 6 mL by adding 2 mL of 0.01 N NaCl solution. The pH of the resulting mixture is
If the ratio of amplitudes of two light waves is 2 : 1, then the ratio between the intensities of the two waves is

The following results were obtained in the gas phase reaction between nitric oxide and oxygen at a given temperature.

Which one of the following is an outer orbital complex?
For a paramagnetic material, the magnetic susceptibility \( \chi_m \) is
The magnetic force acting on a charged particle carrying a charge $3 \mu C$ in a magnetic field of $5$ T acting in the $y$-direction, when the particle velocity is \[ (\hat{i} + \hat{j}) \times 10^5 { ms}^{-1} \] is
A block of mass $M$ moves with a velocity $v$ along a frictionless horizontal surface towards another block of mass $2M$ at rest. The velocity of the center of mass of the system of blocks is
When n-hexane is heated to 773K at 10-20 atmosphere pressure in the presence of \(Cr_2O_3\), benzene is formed. This reaction is called

If the speed of a moving particle is decreased by 1%, the de Broglie wavelength of the wave associated with it

The velocity of a travelling plane wave given by \[ y = 10^{-2} \sin \left( 200t - \frac{x}{5} \right) m, \] is
An ink mark is made on a piece of paper and a glass slab of thickness $t$ and refractive index $\mu$ is placed on it. If the image of the ink mark appears to be at a distance of $x$ from the top surface of the slab, then the value of $x$ is
Which of the following is an example of pseudo first order reaction?
Which of the following statements is incorrect about Bohr's model of the atom?
Which of the following is true for a reaction that is spontaneous only at high temperature?